Recombinant Human Integrin beta-1-binding protein 1 (ITGB1BP1)

Code CSB-YP011881HU
MSDS
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Source Yeast
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Code CSB-EP011881HU
MSDS
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Source E.coli
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Code CSB-EP011881HU-B
MSDS
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Source E.coli
Conjugate Avi-tag Biotinylated
E. coli biotin ligase (BirA) is highly specific in covalently attaching biotin to the 15 amino acid AviTag peptide. This recombinant protein was biotinylated in vivo by AviTag-BirA technology, which method is BriA catalyzes amide linkage between the biotin and the specific lysine of the AviTag.
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Code CSB-BP011881HU
MSDS
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Source Baculovirus
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Code CSB-MP011881HU
MSDS
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Source Mammalian cell
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Product Details

Purity
>85% (SDS-PAGE)
Target Names
ITGB1BP1
Uniprot No.
Alternative Names
ITGB1BP1; ICAP1Integrin beta-1-binding protein 1; Integrin cytoplasmic domain-associated protein 1; ICAP-1
Species
Homo sapiens (Human)
Expression Region
1-200
Target Protein Sequence
MFRKGKKRHS SSSSQSSEIS TKSKSVDSSL GGLSRSSTVA SLDTDSTKSS GQSNNNSDTC AEFRIKYVGA IEKLKLSEGK GLEGPLDLIN YIDVAQQDGK LPFVPPEEEF IMGVSKYGIK VSTSDQYDVL HRHALYLIIR MVCYDDGLGA GKSLLALKTT DASNEEYSLW VYQCNSLEQA QAICKVLSTA FDSVLTSEKP
Protein Length
Full length protein
Tag Info
Tag type will be determined during the manufacturing process.
The tag type will be determined during production process. If you have specified tag type, please tell us and we will develop the specified tag preferentially.
Form
Lyophilized powder
Note: We will preferentially ship the format that we have in stock, however, if you have any special requirement for the format, please remark your requirement when placing the order, we will prepare according to your demand.
Buffer before Lyophilization
Tris/PBS-based buffer, 6% Trehalose, pH 8.0
Reconstitution
We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Please reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL.We recommend to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20℃/-80℃. Our default final concentration of glycerol is 50%. Customers could use it as reference.
Troubleshooting and FAQs
Storage Condition
Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
Shelf Life
The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself.
Generally, the shelf life of liquid form is 6 months at -20°C/-80°C. The shelf life of lyophilized form is 12 months at -20°C/-80°C.
Lead Time
Delivery time may differ from different purchasing way or location, please kindly consult your local distributors for specific delivery time.
Note: All of our proteins are default shipped with normal blue ice packs, if you request to ship with dry ice, please communicate with us in advance and extra fees will be charged.
Notes
Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.
Datasheet
Please contact us to get it.

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Target Background

Function
Key regulator of the integrin-mediated cell-matrix interaction signaling by binding to the ITGB1 cytoplasmic tail and preventing the activation of integrin alpha-5/beta-1 (heterodimer of ITGA5 and ITGB1) by talin or FERMT1. Plays a role in cell proliferation, differentiation, spreading, adhesion and migration in the context of mineralization and bone development and angiogenesis. Stimulates cellular proliferation in a fibronectin-dependent manner. Involved in the regulation of beta-1 integrin-containing focal adhesion (FA) site dynamics by controlling its assembly rate during cell adhesion; inhibits beta-1 integrin clustering within FA by directly competing with talin TLN1, and hence stimulates osteoblast spreading and migration in a fibronectin- and/or collagen-dependent manner. Acts as a guanine nucleotide dissociation inhibitor (GDI) by regulating Rho family GTPases during integrin-mediated cell matrix adhesion; reduces the level of active GTP-bound form of both CDC42 and RAC1 GTPases upon cell adhesion to fibronectin. Stimulates the release of active CDC42 from the membranes to maintain it in an inactive cytoplasmic pool. Participates in the translocation of the Rho-associated protein kinase ROCK1 to membrane ruffles at cell leading edges of the cell membrane, leading to an increase of myoblast cell migration on laminin. Plays a role in bone mineralization at a late stage of osteoblast differentiation; modulates the dynamic formation of focal adhesions into fibrillar adhesions, which are adhesive structures responsible for fibronectin deposition and fibrillogenesis. Plays a role in blood vessel development; acts as a negative regulator of angiogenesis by attenuating endothelial cell proliferation and migration, lumen formation and sprouting angiogenesis by promoting AKT phosphorylation and inhibiting ERK1/2 phosphorylation through activation of the Notch signaling pathway. Promotes transcriptional activity of the MYC promoter.
Gene References into Functions
  1. nuclear-cytoplasmic shuttling of ICAP1 influences both integrin activation and KRIT1 localization, presumably impacting nuclear functions of KRIT1. PMID: 28003363
  2. The cocrystal structure of ICAP1 in complex with krev interaction trapped protein (KRIT)1 is characterized here. PMID: 23695561
  3. The structural basis for KRIT1 antagonized ICAP1-modulated integrin-beta1 activation. PMID: 23317506
  4. Annexin A1 is associated with gastric cancer survival and promotes gastric cancer cell invasiveness through the formyl peptide receptor/extracellular signal-regulated kinase/integrin beta-1-binding protein 1 pathway. PMID: 22736399
  5. Identify ICAP1 as a novel regulator to prevent excessive sprouting angiogenesis. PMID: 20616313
  6. Site-directed mutagenesis showed that Leu(135), Ile(138), and Ile(139) of Icap1 alpha, and Leu(82) and Tyr(144), are required for the Icap1 alpha-beta(1) integrin interaction PMID: 11741908
  7. Integrin-binding protein also interacts with Krit 1 protein, cause of CCM1. (ICAP-1, integrin cytoplasmic domain-associated protein 1) PMID: 11854171
  8. beta(1) integrin viability signal in collagen matrices is transduced by focal adhesion kinase PMID: 15166238
  9. ICAP-1 shuttles between the nucleus and cytoplasm in a beta1 integrin-dependent manner PMID: 15703214
  10. TNF-alpha induced expression of c-IAP1 and c-IAP2 via MAP kinases, but not via NF-kappaB, and that MAP kinases participated in the inhibition of apoptosis by induction of c-IAPs in TNF-alpha-stimulated endothelial cells PMID: 17133355
  11. integrin cytoplasmic domain-associated protein-1 alpha (icap1alpha) act concordantly to play a critical role in beta1-integrin-mediated cell proliferation. PMID: 18812969

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Subcellular Location
Nucleus. Cytoplasm. Cytoplasm, cytoskeleton. Cell membrane. Cell projection, lamellipodium. Cell projection, ruffle. Note=Nucleocytoplasmic shuttling protein; shuttles between nucleus and cytoplasm in a integrin-dependent manner; probably sequestered in the cytosol by ITGB1. Its localization is dependent on the stage of cell spreading on fibronectin; cytoplasmic in case of round cells, corresponding to the initial step of cell spreading, or nuclear in case of well spread cells. Colocalizes with ROCK1 and NME2 at beta-1 integrin engagement sites. Together with ITGB1 and NME2 is recruited to beta-1 integrin-rich peripheral ruffles and lamellipodia during initial cell spreading on fibronectin and/or collagen.
Tissue Specificity
Expressed in endothelial cells and fibroblasts (at protein level). Ubiquitously expressed. Expressed in intestine, colon, testis, ovary, thymus, spleen and prostate.
Database Links

HGNC: 23927

OMIM: 607153

KEGG: hsa:9270

STRING: 9606.ENSP00000347504

UniGene: Hs.467662

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